CN108787770A - A kind of method and apparatus of magnesium-alloy tube segmentation reducing - Google Patents
A kind of method and apparatus of magnesium-alloy tube segmentation reducing Download PDFInfo
- Publication number
- CN108787770A CN108787770A CN201811007890.3A CN201811007890A CN108787770A CN 108787770 A CN108787770 A CN 108787770A CN 201811007890 A CN201811007890 A CN 201811007890A CN 108787770 A CN108787770 A CN 108787770A
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- magnesium
- reducing
- tube
- alloy tube
- segmentation
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 134
- 230000011218 segmentation Effects 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 13
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 10
- 229910052749 magnesium Inorganic materials 0.000 claims description 10
- 239000011777 magnesium Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000005498 polishing Methods 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 238000007514 turning Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Pumps (AREA)
- Turning (AREA)
Abstract
A kind of method of magnesium-alloy tube segmentation reducing, is as follows：One, the magnesium-alloy tube, segmentation reducing casing tube and auxiliary clamp of processing are ready to；Two, magnesium-alloy tube and segmentation reducing casing tube are fixedly installed on lathe, segmentation reducing casing tube is mounted on the scroll chuck of lathe, and magnesium-alloy tube is positioned in auxiliary clamp, and auxiliary clamp is installed on the fixture of sliding box；Three, make magnesium-alloy tube and segmentation reducing casing tube centering by controlling lathe；Four, it is made to be segmented reducing casing tube rotational speed by NC Lathe, so that it is segmented reducing casing tube rotating speed and reaches 900 revs/min, the feed speed that the clamp magnesium-alloy tube of sliding box carries out feeding sliding box is maintained at 2 mm/mins, until magnesium-alloy tube and segmentation reducing casing tube contact；By mutual movement, the friction between magnesium-alloy tube and segmentation reducing casing tube, and magnesium-alloy tube is located at segmentation reducing casing tube and is heated up, and magnesium-alloy tube is made to generate plastic deformation.
Description
Technical field
The present invention relates to the method and apparatus that a kind of magnesium-alloy tube is segmented reducing.
Background technology
In recent years for magnesium alloy because of its intensity height, absorb shock resistance is good, absorbs impact load-carrying ability than aluminium alloy bigger, corrosion resistance
Good, density is small；It is currently the most light metal in practical metal, is now widely used in industry and sphere of life, such as vapour
Vehicle carriage, cycle frame, the products such as holder of tables and chairs；Due to the needs of multiple product design, it is sometimes desirable in magnesium-alloy tube
Reducing is made, there are two types of conventional methods：First, becoming shot using squeezing, that is, the mold on forcing press is utilized, application is passed through
Pressure makes magnesium-alloy tube enter segmentation reducing casing tube in certain speed lower feeding, and metal generates plasticity under a certain pressure
Deformation, and the magnesium-alloy tube of smaller diameter is made, this is easy to prevent from cracking for the bad metal of ductility, in order to avoid opening
It splits, needs to make its ductility more preferably to reach the requirement of processing virgin metal heating；Second is that turning method, that is, utilize the rotation of workpiece
It moves and changes the shape and size of magnesium-alloy tube 1 with the linear motion of cutter or curvilinear motion.
Magnesium alloy is more special, its ductility is bad, directly squeezes reducing and is easy cracking, if to use heating that it is made to prolong
Malleability improves, and encounters the very narrow problem of the heatable temperature range of magnesium alloy：Ductility is not achieved magnesium alloy when the temperature is low
It is required that temperature Gao Zehui causes to burn, extremely difficult control is heated, magnesium-alloy tube does reducing twice if you need to be segmented, then more difficult, needs
At twice with different reducing mold machine-shaping, yield rate is extremely low；So the universal method of magnesium alloy reducing is turning now
Method；There are two the problem of turning method exist now：When wastage of material, because its original magnesium-alloy tube wall thickness must be thicker than finished product
The thickness because having could be kept after turning；Second is that will produce magnesium chips, magnesium chips property is active, easily burns under high temperature, and magnesium closes
In golden cutting process, magnesium chips incision is largely unoxidized magnesium and magnesium alloy, and will produce high heat when turning, if not
It carries out cooling work and magnesium chips is collected, just easily cause pyrophoricity accident.
Invention content
The purpose of the present invention is overcoming drawbacks described above, a kind of saving cost is provided, it is energy saving, it is easy to process, safe
Magnesium alloy segmentation becomes routing method.
A kind of method of magnesium-alloy tube segmentation reducing, which is characterized in that include the following steps：
One, the magnesium-alloy tube, segmentation reducing casing tube and auxiliary clamp of processing are ready to；The reducing casing tube include horn mouth,
Reducing inner cavity, secondary horn mouth, secondary reducing inner cavity；The horn mouth is communicated with reducing inner cavity, and reducing inner cavity is less than magnesium alloy
The diameter of pipe, bell-mouthed opening diameter are slightly larger than the diameter of magnesium-alloy tube, and into reducing, cavity direction tapers into, until with change
Diameter intracavity diameter is identical, and reducing inner cavity is cylindrical cavity；The reducing inner cavity is communicated with secondary horn mouth, reducing inner cavity and two
Secondary bell-mouthed opening diameter is identical；Secondary horn mouth is communicated with secondary reducing inner cavity, secondary bell-mouthed to be open to secondary
Cavity direction tapers into reducing, until identical as secondary reducing intracavity diameter, secondary reducing inner cavity is cylindrical cavity；It is described
Auxiliary clamp include upper fastener and lower fastener, there is upper slot below upper fastener；There is above lower fastener lower slot, the upper slot and
The diameter of a circle of lower slot composition is identical as the magnesium-alloy tube diameter being put into, and certain sky is deposited between the upper fastener and lower fastener
Gap.
Two, magnesium-alloy tube and segmentation reducing casing tube are fixedly installed on lathe, segmentation reducing casing tube is mounted on vehicle
On the scroll chuck of bed, magnesium-alloy tube is positioned in auxiliary clamp, and auxiliary clamp is installed on the fixture of sliding box.
Three, make magnesium-alloy tube and segmentation reducing casing tube centering by controlling lathe.
Four, so that it is segmented reducing casing tube rotational speed by NC Lathe, so that it is segmented reducing casing tube rotating speed and reach 900
Rev/min, the feed speed that the clamp magnesium-alloy tube of sliding box feed sliding box is maintained at 2 mm/mins, until
Magnesium-alloy tube and segmentation reducing casing tube contact；By mutual movement, the friction between magnesium-alloy tube and segmentation reducing casing tube, and make
It obtains magnesium-alloy tube and is located at heating at segmentation reducing casing tube, and make magnesium-alloy tube generation plastic deformation, slowly enter segmentation reducing
In casing, and make magnesium-alloy tube reducing.
Five, control sliding box makes magnesium-alloy tube exit segmentation reducing casing tube, allows magnesium-alloy tube cooling to eliminate internal stress.
Six, burr is removed after magnesium-alloy tube cooling, finally obtains segmentation variable diameter magnesium alloy pipe finished product.
The method of the magnesium-alloy tube segmentation reducing：In step 5, it is cooled to natural cooling at room temperature.
A kind of equipment of magnesium-alloy tube segmentation reducing, including lathe, chuck, sliding box, fixture, it is characterised in that：Also wrap
Include segmentation reducing casing tube, auxiliary clamp；The segmentation reducing casing tube includes horn mouth, reducing inner cavity, secondary horn mouth, secondary change
Diameter inner cavity, the horn mouth are communicated with reducing inner cavity, and the bell-mouthed cavity direction into reducing that is open tapers into, until and reducing
Intracavity diameter is identical, and reducing inner cavity is cylindrical cavity；Reducing inner cavity is communicated with secondary horn mouth, reducing inner cavity and secondary loudspeaker
The opening diameter of mouth is identical；Secondary horn mouth is communicated with secondary reducing inner cavity, secondary bell-mouthed to be open into secondary reducing
Cavity direction tapers into, until identical as secondary reducing intracavity diameter, secondary reducing inner cavity is cylindrical cavity；The auxiliary
Fixture includes upper fastener and lower fastener, has upper slot below upper fastener；There is lower slot, the upper slot and lower slot group above lower fastener
At diameter of a circle it is identical as the magnesium-alloy tube diameter being put into, certain gap is deposited between the upper fastener and lower fastener.
Further, a kind of equipment of magnesium-alloy tube segmentation reducing, further includes grinding apparatus.
Further, a kind of equipment of magnesium-alloy tube segmentation reducing, the grinding apparatus is sanding burr machine.
Further, a kind of equipment of magnesium-alloy tube segmentation reducing, the auxiliary clamp are made of magnesium alloy materials.
Further, a kind of equipment of magnesium-alloy tube segmentation reducing, the inside angle of inclination of the horn mouth is set as 10-
15 degree.
Further, the equipment of a kind of magnesium-alloy tube segmentation reducing is equipped with fillet at the iiared port.
To sum up, the present invention saves cost, easy to process, safety, and working efficiency is effectively improved.
Description of the drawings
Fig. 1 is the product schematic diagram of the present invention；
Fig. 2 is the machining sketch chart of the present invention；
Fig. 3 is the segmentation reducing casing tube schematic diagram of the present invention；
Fig. 4 is that the magnesium-alloy tube of the present invention enters schematic diagram before segmentation reducing casing tube；
Fig. 5 is the magnesium-alloy tube segmentation reducing schematic diagram of the present invention；
Fig. 6 is the auxiliary clamp schematic diagram of the present invention；
Fig. 7 is the auxiliary clamp left view of the present invention.
Specific implementation mode
In a specific embodiment, a kind of method of magnesium-alloy tube segmentation reducing, is as follows：
One, the magnesium-alloy tube, segmentation reducing casing tube and auxiliary clamp of processing are ready to；
Two, magnesium-alloy tube and segmentation reducing casing tube are fixedly installed on lathe, segmentation reducing casing tube is mounted on lathe
On scroll chuck, magnesium-alloy tube is positioned in auxiliary clamp, and auxiliary clamp is installed on the fixture of sliding box；
Three, make magnesium-alloy tube and segmentation reducing casing tube centering by controlling lathe.
Four, so that it is segmented reducing casing tube rotational speed by NC Lathe, so that it is segmented reducing casing tube rotating speed and reach 900
Rev/min, the feed speed that the clamp magnesium-alloy tube of sliding box feed sliding box is maintained at 2 mm/mins, until
Magnesium-alloy tube and segmentation reducing casing tube contact；By mutual movement, the friction between magnesium-alloy tube and segmentation reducing casing tube, and make
It obtains magnesium-alloy tube and is located at heating at segmentation reducing casing tube, and make magnesium-alloy tube generation plastic deformation, slowly enter segmentation reducing
In casing, and make magnesium-alloy tube reducing.
Five, control sliding box makes magnesium-alloy tube exit segmentation reducing casing tube, allows magnesium-alloy tube cooling to eliminate internal stress.
Six, burr is removed after magnesium-alloy tube cooling, finally obtains variable diameter magnesium alloy pipe finished product.
In step 2, magnesium-alloy tube can coordinate auxiliary clamp to be installed on the fixture of sliding box, and auxiliary clamp can be more steady
Surely while fixed magnesium-alloy tube, better protection can also be provided for magnesium-alloy tube.
In step 5, it is cooled to natural cooling at room temperature.
In step 6, made a return journey deburring burr using sanding burr machine.
Beneficial effects of the present invention are：Solve the problems, such as that magnesium alloy is difficult to squeeze reducing, without another during reducing
The magnesium alloy of feeding is heated outside, energy loss is also saved while ensureing safe；It is segmented in otherwise address extruding reducing
Reducing individually carries out reducing needs at twice, the low problem of efficiency；And relative to turning method, the present invention does not have magnesium chips generation, keeps away
Exempt from magnesium chips to catch fire hidden danger, and saves making material.
Due to magnesium alloy generate heat be by：Relative rotary motion is same between magnesium-alloy tube and segmentation reducing casing tube
When, provide what corresponding pressure generated by the feed speed of sliding box, rotating speed is slower, and feed speed is slower, the temperature of generation
Lower, pressure is also lower, and on the contrary then temperature and pressure are higher；It is respectively using rotating speed and the amount of feeding at present：Scroll chuck revolves
Rotary speed is 900 revs/min, and the feed speed of sliding box is 2 mm/mins；It can cause to generate less than rotating speed and the amount of feeding
Shortage of heat, magnesium-alloy tube not enough and then crack because of its ductility, influence the cost rate of qualified products；Higher than rotating speed and feeding
Amount, although can be completed in reducing of magnesium-alloy tube, when reducing secondary due to magnesium-alloy tube, due to magnesium-alloy tube and segmentation
Frictional force drastically increases between reducing casing tube, and magnesium-alloy tube is easy tod produce in opposite segments reducing casing tube high speed rotary grinding
Torsional deformation, even more so that magnesium-alloy tube generates irregular deformation or even has the hidden danger being ignited at high temperature under high pressure.
In order to keep the purpose of the present invention, technical solution clearer, with reference to the accompanying drawings and embodiments, the present invention is carried out
It further illustrates：
Embodiment：
As shown in Fig. 1~Fig. 7, the variable diameter magnesium alloy pipe obtained using production method of the present invention includes magnesium-alloy tube 1, original segment
11, reducing changeover portion 12, reducer pipe 13, secondary reducer 14, secondary reducer pipe 15, lathe 2, scroll chuck 21, sliding box 22,
Fixture 23 is segmented reducing casing tube 3, auxiliary clamp 4.
Reducing casing tube 3 includes：Horn mouth 31, reducing inner cavity 32, secondary horn mouth 33, secondary reducing inner cavity 34；Horn mouth
31 communicate with reducing inner cavity 32, and the diameter of reducing inner cavity 32 is less than the diameter of magnesium-alloy tube 1, and the opening diameter of horn mouth 31 is bigger
It in the diameter of magnesium-alloy tube 1, is tapered into 32 direction of reducing inner cavity, until, reducing inner cavity identical as 32 diameter of reducing inner cavity
32 be cylindrical cavity；Reducing inner cavity 32 is communicated with secondary horn mouth 33, the opening of reducing inner cavity 32 and secondary horn mouth 33
Diameter is identical；Secondary horn mouth 33 is communicated with secondary reducing inner cavity 34, and the opening of secondary horn mouth 33 is to secondary reducing inner cavity 34
Direction tapers into, until identical as secondary 34 diameter of reducing inner cavity, secondary reducing inner cavity 34 is cylindrical cavity；Horn mouth 31
Opening is equipped with fillet 311, and the inside angle of inclination of horn mouth 31 is set as 15 degree, the inside angle of inclination of secondary horn mouth 33
It is set as 10 degree.
Auxiliary clamp 4 is made of upper fastener 41 and lower fastener 42, and upper fastener 41, lower fastener 42 is made of cuboid iron block；
41 lower section of upper fastener has the upper slot 411 for accommodating magnesium-alloy tube 1；42 top of lower fastener has the lower slot for accommodating magnesium-alloy tube 1
421；When work, the magnesium-alloy tube of respective diameters 1 is first put into the lower slot 421 on lower fastener 42, then on magnesium-alloy tube 1 on lid
Upper fastener 41；At this point, the diameter of a circle of upper slot 411 and lower slot 421 composition is identical as 1 diameter of magnesium-alloy tube being put into, upper fastener
Certain gap 43 is deposited between 41 and lower fastener 42, ensures that fixture 23 can be clamped magnesium-alloy tube 1 by auxiliary clamp 4.
Segmentation reducing casing tube 3 is installed on the scroll chuck 21 of lathe 2, then the auxiliary clamp 4 that magnesium-alloy tube 1 will be placed with
It is put on the fixture 23 of sliding box 22, so that magnesium-alloy tube 1 and segmentation reducing casing tube 3 is completed centering by operating Lathe control platform；
Control sliding box 22 makes magnesium-alloy tube 1 as close to segmentation reducing casing tube 3, but the two does not contact.
Start lathe make scroll chuck 21 rotate, rotating speed to 900 revs/min, control sliding box 22 when magnesium alloy to point
Section reducing casing tube 3 is fed, and into the horn mouth 31 of segmentation reducing casing tube 3, the feed speed of sliding box 22 is maintained at 2 millis m/min
Clock, until being fed into the length that magnesium-alloy tube 1 needs reducing；Since 31 diameter of horn mouth gradually inwardly reduces so that magnesium alloy
Pipe 1 and segmentation reducing casing tube 3 between generate contact, while the mutual rotary motion of the two and rub, and make magnesium-alloy tube 1 and point
Section 3 contact-segment of reducing casing tube heating；Higher temperature is generated by the pressure and friction of sliding box, and magnesium-alloy tube 1 is generated
Plastic deformation slowly enters in segmentation reducing casing tube, and makes 1 reducing of magnesium-alloy tube, and magnesium-alloy tube 1 is formed at horn mouth 31
Reducing changeover portion 12 forms reducer pipe 13 in reducing inner cavity 32, secondary reducer 14 is formed in secondary horn mouth 33, in secondary change
Diameter inner cavity 34 forms secondary reducer pipe 15；Finally control sliding box 22 is so that magnesium-alloy tube 1 exits segmentation reducing casing tube 3, cooling
To eliminate internal stress；Burr is removed by sanding burr machine after the cooling of magnesium-alloy tube 1.
When in order to further avoid magnesium alloy extrusion reducing, auxiliary clamp is damaged caused by magnesium-alloy tube, auxiliary clamp
Material is made of magnesium alloy, and the two hardness is suitable so that auxiliary clamp can preferably protect magnesium-alloy tube.
The above is only present pre-ferred embodiments, is not intended to limit the scope of the present invention, therefore
It is every according to the technical essence of the invention to any subtle modifications, equivalent variations and modifications made by above example, still fall within
Protection scope of the present invention.
Claims (8)
1. a kind of method of magnesium-alloy tube segmentation reducing, which is characterized in that include the following steps：
One, the magnesium-alloy tube, segmentation reducing casing tube and auxiliary clamp of processing are ready to；The reducing casing tube include horn mouth,
Reducing inner cavity, secondary horn mouth, secondary reducing inner cavity；The horn mouth is communicated with reducing inner cavity, and reducing inner cavity is less than magnesium alloy
The diameter of pipe, bell-mouthed opening diameter are slightly larger than the diameter of magnesium-alloy tube, and into reducing, cavity direction tapers into, until with change
Diameter intracavity diameter is identical, and reducing inner cavity is cylindrical cavity；The reducing inner cavity is communicated with secondary horn mouth, reducing inner cavity and two
Secondary bell-mouthed opening diameter is identical；Secondary horn mouth is communicated with secondary reducing inner cavity, secondary bell-mouthed to be open to secondary
Cavity direction tapers into reducing, until identical as secondary reducing intracavity diameter, secondary reducing inner cavity is cylindrical cavity；It is described
Auxiliary clamp include upper fastener and lower fastener, there is upper slot below upper fastener；There is above lower fastener lower slot, the upper slot and
The diameter of a circle of lower slot composition is identical as the magnesium-alloy tube diameter being put into, and certain sky is deposited between the upper fastener and lower fastener
Gap；
Two, magnesium-alloy tube and segmentation reducing casing tube are fixedly installed on lathe, segmentation reducing casing tube is mounted on lathe
On scroll chuck, magnesium-alloy tube is positioned in auxiliary clamp, and auxiliary clamp is installed on the fixture of sliding box；
Three, make magnesium-alloy tube and segmentation reducing casing tube centering by controlling lathe；
Four, so that it is segmented reducing casing tube rotational speed by NC Lathe, so that it is segmented reducing casing tube rotating speed and reach 900 revs/min
Clock, the feed speed that the clamp magnesium-alloy tube of sliding box feed sliding box is maintained at 2 mm/mins, until magnesium closes
Gold pipe and segmentation reducing casing tube contact；By mutual movement, the friction between magnesium-alloy tube and segmentation reducing casing tube, and make magnesium
Compo pipe, which is located at segmentation reducing casing tube, to heat up, and so that magnesium-alloy tube generates plastic deformation, slowly enters segmentation reducing casing tube
In, and make magnesium-alloy tube reducing；
Five, control sliding box makes magnesium-alloy tube exit segmentation reducing casing tube, allows magnesium-alloy tube cooling to eliminate internal stress；
Six, burr is removed after magnesium-alloy tube cooling, finally obtains segmentation variable diameter magnesium alloy pipe finished product.
2. a kind of method of magnesium-alloy tube segmentation reducing according to claim 1, it is characterised in that：It is cooling in step 5
For natural cooling at room temperature.
3. a kind of equipment of magnesium-alloy tube segmentation reducing, including lathe, chuck, sliding box, fixture, it is characterised in that：Further include
It is segmented reducing casing tube, auxiliary clamp；The segmentation reducing casing tube includes horn mouth, reducing inner cavity, secondary horn mouth, secondary reducing
Inner cavity, the horn mouth are communicated with reducing inner cavity, and the bell-mouthed cavity direction into reducing that is open tapers into, until in reducing
Chamber diameter is identical, and reducing inner cavity is cylindrical cavity；Reducing inner cavity is communicated with secondary horn mouth, reducing inner cavity and secondary horn mouth
Opening diameter it is identical；Secondary horn mouth is communicated with secondary reducing inner cavity, secondary bell-mouthed to be open to secondary reducing inner cavity
Direction tapers into, until identical as secondary reducing intracavity diameter, secondary reducing inner cavity is cylindrical cavity；The additional lock
Tool includes upper fastener and lower fastener, has upper slot below upper fastener；There is lower slot, the upper slot and lower slot composition above lower fastener
Diameter of a circle it is identical as the magnesium-alloy tube diameter being put into, certain gap is deposited between the upper fastener and lower fastener.
4. a kind of equipment of magnesium-alloy tube segmentation reducing according to claim 3, it is characterised in that：Further include that polishing is set
It is standby.
5. a kind of equipment of magnesium-alloy tube segmentation reducing according to claim 4, it is characterised in that：The grinding apparatus
For sanding burr machine.
6. the equipment for being segmented reducing according to a kind of any magnesium-alloy tubes of claim 3-5, it is characterised in that：The auxiliary
Fixture is made of magnesium alloy materials.
7. a kind of equipment of magnesium-alloy tube segmentation reducing according to claim 6, it is characterised in that：The horn mouth is inside
Angle of inclination be set as 10-15 degree.
8. a kind of equipment of magnesium-alloy tube segmentation reducing according to claim 7, it is characterised in that：The iiared port
Place is equipped with fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007890.3A CN108787770B (en) | 2018-08-31 | 2018-08-31 | Method for reducing magnesium alloy pipe section by section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007890.3A CN108787770B (en) | 2018-08-31 | 2018-08-31 | Method for reducing magnesium alloy pipe section by section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108787770A true CN108787770A (en) | 2018-11-13 |
| CN108787770B CN108787770B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811007890.3A Active CN108787770B (en) | 2018-08-31 | 2018-08-31 | Method for reducing magnesium alloy pipe section by section |
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| Country | Link |
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| CN (1) | CN108787770B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653770A (en) * | 2022-03-28 | 2022-06-24 | 太原科技大学 | Spiral reducing-continuous twisting extrusion die for magnesium alloy high-performance plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653770A (en) * | 2022-03-28 | 2022-06-24 | 太原科技大学 | Spiral reducing-continuous twisting extrusion die for magnesium alloy high-performance plate |
| CN114653770B (en) * | 2022-03-28 | 2024-02-13 | 太原科技大学 | Spiral reducing-continuous torsion extrusion die for magnesium alloy high-performance plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108787770B (en) | 2024-03-29 |
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